Finding the Fourth Proportional to 179,359.31, 247,516.14 and 98,786.99
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Solution
The fourth proportional to 179,359.31, 247,516.14 and 98,786.99 is: 136,326.20
Step by Step Solution
- Step 1: Write the proportion equation
179,359.31 : 247,516.14 = 98,786.99 : x - Step 2: Convert to fraction form
179,359.31/247,516.14 = 98,786.99/x - Step 3: Cross multiply
179,359.31x = 247,516.14 × 98,786.99 - Step 4: Simplify right side
179,359.31x = 24,451,373,209.44 - Step 5: Solve for x
x = 24,451,373,209.44/179,359.31 - Step 6: Final answer
x = 136,326.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.